appv2.component.ts

import { Component } from '@angular/core';
import { FormControl, FormGroup } from '@angular/forms';
import { equalPassValidator } from './shared/equal.validator.directive';

@Component({
  selector: 'my-app',
  templateUrl: './app.component.html',
  styleUrls: [ './app.component.css' ]
})
export class AppComponent  {
  name = 'Angular';
   signUpForm: FormGroup = new FormGroup({
    username: new FormControl(''),
    password: new FormControl(''),
    conPassword: new FormControl('', equalPassValidator('password')),
  })

   get allControls() {
    return this.signUpForm.controls;
  }

  submitData() {
    // TODO something
  }
}